[llvm] [LV] Peek through bitcasts when performing CSE (PR #146856)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

I had the chance to try to the VPlan-based CSE I was talking about,: https://github.com/llvm/llvm-project/pull/151872.

https://github.com/llvm/llvm-project/pull/146856